Wringer



- June 13, 1933. E. SANDSTROM WRINGER Filed March 10, 1931 INVENTOR.

A TTORNEYS.

Patented June 13, 1933 UTED STATES PATENT OFFICE ERIC SANDSTROM, OFERIE, PENNSYLVANIA, ASSIGNOR TO LOVELL MANUFACTURING- COMPANY, OF ERIE,PENNSYLVANIA, A CORPORATION OLE PENNSYLVANIA wnmena The presentinvention is directed to the improvement of wringers, particularly themounting of the bearing blocks for the shafts for the lower rolls ofwringers. The bearing blocks of most wringers are supported on some partof the side stile and where this support is out of alinement with theaxis of the shaft frequently the bearing surface of the shaft on thebearing portion of the bearing block is very slight. One feature of thepresent invention is to so support the bearing block that it mayaccommodate itself to the shaft. Another feature of the invention is animprovement of the manner of support ng the bearing block, particularlyin connection with wringers having sheet metal frames.

Other features and details of the invention will appear from thespecification and claims.

A preferred embodiment of the invention is illustrated in theaccompanying drawing as follows Fig. 1 shows a front elevation of thewringer, partly in section.

Fig. 2 an enlarged view of a stile andthe bearing block and supporttherein.

Fig. 3 a perspective view of one of the bottom frame corners, partsbeing broken away to better show construction.

The wringer frame comprises'a base 1 of channel shape, stiles 2 of boxshape and a top bar 3. Wringer rolls 4, 4 are provided. The rolls haveshafts 5, 5. A lower bearing block 6 and an upper bearing block 7 ateach end are mounted in the stile and a spring 8 operates against theupper bearing block putting tension on the rolls. An adjusting screw 9is provided for the spring 8.

Each side stile has an outer wall 10, side walls 11 and inturned lips 12on their inner faces. The space between the lips forms a slot for theroll shafts. The channel-shaped base has the side flanges of the channelextending beyond the central web at its ends forming lips 13 which arearranged along the sides of the stiles at the bottoms of the stiles.

The stiles have the supporting lugs 14 struck up in them, the lugsextending inwardly. Openings in the stiles for forming these lugs arepreferably covered by the lips 50 13, thus making the frame verysightly. A

bearing support 15 is U-shaped, the lower ends resting on the lugs 15.The dimensions of the U-shaped plate approximate the inside dimensionsofthe stile so that the U-shaped plate is held in proper position by thewalls of the stile. The lower bearing 6 rests on the upper connectingportion of the U. This forms a simple structure which may be veryreadily assembled. The U-shaped' supports are inserted into the stilefrom the top. The sides of the U-shaped support are initially slightlywider than the space between the side walls of the support so that thereis-a slight yielding engagement between the side walls of the supportand the walls of the stile that retains the support in place after it isassembled.

While this manner of supplying the support for the bearing assures auniformity of the supporting surface with regard to aline' ment with theaxis of the lower rollshaft, thereare sufficient production variationsto interfere with the certainty of an equal hearing of the roll shaftthroughout the bearing surface of the bearing block. To obviate thisdifficulty, I cut-away lower portion of the bearing block at 16 so thatit rests only along the narrow end 17. It will readily be seen that thebearing block can rock on the narrow supporting portion 17 so as topermit the bearing portion of the block to assume an alinement with theaxis of the roll and thus to present a complete bearing surface. Thebearing block is made slightly narrower than the space between the outerwall and the lips. 12 to permit of this rocking movement.

What I claim as new is 1. In a wringer, the combination of a framecomprising side stiles; a lower roll having an extending shaft; abearing block; and a mounting for the block supported by the stiles, theblock having a rocking engagement with the mounting.

2. In a wringer, the combination of a frame comprising sheet metal sidestiles of box shape; a lower roll having a shaftextending into thebox-shaped stiles; a bearing block mounted in the box-shaped stiles; anda mounting for the block supported within the stiles, the block having arocking engagement with the mounting.

3. In a wringer, the combination of a frame comprising box-shaped sidestiles having inwardly extending shoulders therein; a lower roll havinga shaft extending into the stiles; a bearing block for the shaft; and amounting for the bearing block in the form of a U-shaped plate, the endsof the U resting on the shoulders.

4. In a wringer, the combination of a frame comprising box-shaped sidestiles having inwardly extending shoulders therein; a lower roll havinga shaft extending into the stiles; a bearing block for the shaft; and amounting for the bearing block in the form of a U-shaped plate, the endsof the U resting on the shoulders said bearing block having a rockingengagement with the mounting.

5. In a wringer, the combination of a frame comprising side stiles ofbox form the side walls thereof having slots and protruding lips underthe slots, the lips providing depressions on the outer faces of the sidestiles and a base having side extensions overlapping the sides of thestiles and covering the slots and depressions formed in the side stiles;a lower roll having a shaft extending into the stiles; a bearing blockin the stiles; and a mounting for the bearing block resting on the lips.

6. In a wringer, the combination of a frame comprising box-shaped sidestiles having inwardly extending shoulders therein; a lower roll havinga shaft extending into the stiles; a bearing block for the shaft; and amounting for the bearing block in the form of a U-shaped plate, the endsof the U resting on the shoulders the ends of the U-shaped plate beingcompressed by the walls of the stiles holding the plate in placetherein.

In testimony whereof I have hereunto set my hand.

ERIC SANDSTROM.

